Rumor has it that Haswell-EP is going to bring 16 core, 32 threads CPUs (up from the current 10 core, 20 thread chips), allowing for 128 threads on a 4 socket systems.
Which is to say, we're actually not that far way from the title of this site becoming quaint, like Teradata does today - assuming Moore's law holds for a while.
Interestingly, and not coincidentally, Haswell is also the first chip that will support hardware transactional memory, which should speed efforts like PyPy's STM, which enables you to write code without manually locking anything.
http://morepypy.blogspot.co.nz/2012/06/stm-with-threads.html
Great submission though - bookmarked!